view data fixes

apps/website/lib/view-models/HomeDiscoveryViewModel.ts

@@ -1,27 +1,32 @@
-import { LeagueCardViewModel } from './LeagueCardViewModel';
-import { TeamCardViewModel } from './TeamCardViewModel';
-import { UpcomingRaceCardViewModel } from './UpcomingRaceCardViewModel';
-
-interface HomeDiscoveryDTO {
-  topLeagues: LeagueCardViewModel[];
-  teams: TeamCardViewModel[];
-  upcomingRaces: UpcomingRaceCardViewModel[];
-}
+import type { HomeDiscoveryViewData } from '@/lib/view-data/HomeDiscoveryViewData';
 
 /**
  * Home discovery view model
  * Aggregates discovery data for the landing page.
  */
-import { ViewModel } from "../contracts/view-models/ViewModel";
+import { ViewModel } from '../contracts/view-models/ViewModel';
 
 export class HomeDiscoveryViewModel extends ViewModel {
-  readonly topLeagues: LeagueCardViewModel[];
-  readonly teams: TeamCardViewModel[];
-  readonly upcomingRaces: UpcomingRaceCardViewModel[];
+  readonly topLeagues: HomeDiscoveryViewData['topLeagues'];
+  readonly teams: HomeDiscoveryViewData['teams'];
+  readonly upcomingRaces: HomeDiscoveryViewData['upcomingRaces'];
 
-  constructor(dto: HomeDiscoveryDTO) {
-    this.topLeagues = dto.topLeagues;
-    this.teams = dto.teams;
-    this.upcomingRaces = dto.upcomingRaces;
+  constructor(viewData: HomeDiscoveryViewData) {
+    super();
+    this.topLeagues = viewData.topLeagues;
+    this.teams = viewData.teams;
+    this.upcomingRaces = viewData.upcomingRaces;
+  }
+
+  get hasTopLeagues(): boolean {
+    return this.topLeagues.length > 0;
+  }
+
+  get hasTeams(): boolean {
+    return this.teams.length > 0;
+  }
+
+  get hasUpcomingRaces(): boolean {
+    return this.upcomingRaces.length > 0;
   }
 }